Reconstruct the argument below into standard form. Then indicate whether it is valid, cogent, or ill-formed. Do not add any implicit premises or conclusions. Be sure to state the justification in brackets after the conclusion. [4 points]

"We can be quite sure that Hasan is not lazy. That's because if Hasan is a York University student, then he is lazy, but we also know that Hasan is not a York student."